OpenTechnical

OT-2026-000067470

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067470) never changes.

Identity and time

Publication numberOT-2026-000067470 · never reused
Internal UUID01a0ae8f-6bd9-71a8-90b1-e256c55c30b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067470
StatusPUBLIC

Content hashes

Canonical text2ac975473fce077cd91f7f6d837a5f33a68df99a5ad38e85068dfd40b5f681e1
Markdown8987a4baff1c5293496c3405e3ef3514f2a1da5bfe8c953294421b3defdb8c75
PDF
Publication page3b85542601791e2da5db6e5876eb2ee5a675778a11989987d5b2e56b42b85246
Manifestb14a4a2d5714c4091a30b270f74f058f6990298f49e1761f43c85b28d9646066

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureV8QfvrIZIsG6OUa3jA6a8pGekDJxUNFcnIB9XXd3y2frn6oS9DeTdm0Pl2gQdsW94gaOGxLmJTAzlRVmzqSLDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:40.748403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067470
observed 3b85542601791e2da5db6e5876eb2ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.731842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067470/manifest.json
observed b14a4a2d5714c4091a30b270f74f058f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.715025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067470/publication.md
observed 8987a4baff1c5293496c3405e3ef3514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:40.697898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067470/publication.txt
observed 2ac975473fce077cd91f7f6d837a5f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.